Closer to Code

Yet again instead of tweets, a blog post.

I'm happy to announce that Karafka 2.6 and Karafka Web UI 1.0 have just been released.

Normally I just fire off a tweet when I spot a nice performance PR landing in Ruby.

Introduction I just returned from RubyKaigi 2026, held from April 22nd to 24th in Hakodate, Hokkaido.

This is Part 2 of the "Karafka to Async Journey" series.

Here's claude-on-incus (or coi for short) - a tool for running Claude Code freely in isolated Incus containers.

After a decade under Pablo Cantero's stewardship, Shoryuken has a new maintainer - me.

Update: This article originally concluded that Eisel-Lemire wasn't worth it for Ruby.

TL;DR: YARD-Lint catches documentation issues, just like RuboCop for code.

Every developer who maintains Ruby gems knows that sinking feeling when a user reports an error that shouldn't be possible.

I am excited to announce the release of llm-docs-builder, a library that transforms Markdown documentation into an AI-optimized format for Large Language Models.

The Ruby community experienced significant turbulence in September 2025 when Ruby Central forcibly took control of the RubyGems GitHub organization, removing long-standing maintainers without warning.

Ruby developers have faced an uncomfortable truth for years: when you need to talk to external systems like Kafka, you're going to block.

A few weeks have passed since RailsConf 2025, which was running from July 8th to 10th in Philadelphia, PA, and I've had time to process what was my first (and last) RailsConf experience.

0ms processing time.

Notice: While native extensions for rdkafka have been extensively tested and are no longer experimental, they may not work in all environments or configurations.